N'elu na mgbada nke Hydroxyethyl Cellulose

N'ihe gbasara mmepụta na itinye n'ọrụ nke Hydroxyethyl Cellulose (HEC), okwu "elu" na "ndabere" na-ezo aka na ọkwa dị iche iche n'ụdị ọkọnọ na uru bara uru, n'otu n'otu. Nke a bụ ka usoro ndị a si emetụta HEC:

Mgbago elu:

1. Isi ihe eji eme ihe: Nke a gụnyere ị nweta akụrụngwa achọrọ maka mmepụta nke HEC. Cellulose, ihe bụ isi akụrụngwa maka mmepụta HEC, na-esikarị n'ebe dị iche iche sitere n'okike dị ka osisi pulp, linters owu, ma ọ bụ ihe ọkụkụ ndị ọzọ nwere fibrous.
2. Mgbalite Cellulose: Tupu etherification, ihe akụrụngwa cellulose nwere ike ịmalite usoro ịgbalite iji mee ka mmeghachi omume ya na ịnweta ya maka mgbanwe kemịkalụ na-esote.
3. Usoro Etherification: Usoro etherification na-agụnye mmeghachi omume nke cellulose na ethylene oxide (EO) ma ọ bụ ethylene chlorohydrin (ECH) na ọnụnọ nke alkaline catalysts. Nzọụkwụ a na-ewebata ìgwè hydroxyethyl na ọkpụkpụ azụ cellulose, na-enye HEC.
4. Nchacha na Iweghachite: Na-eso mmeghachi omume etherification, ngwaahịa HEC crude na-enweta usoro nchacha iji wepụ adịghị ọcha, reagents na-emeghị eme, na ngwaahịa sitere na ngwaahịa. Enwere ike iji usoro mgbake were nwetaghachi ihe mgbaze na imegharị ihe mkpofu.

N'okpuru mmiri:

1. Nhazi na ngwakọta: N'okpuru mmepụta ihe, HEC na-etinye n'ime usoro dị iche iche na ogige maka ngwa ngwa. Nke a nwere ike ịgụnye ịgwakọta HEC na polymers ndị ọzọ, ihe mgbakwunye, na ihe eji eme ihe iji nweta ihe ndị a chọrọ na njirimara arụmọrụ.
2. Nrụpụta ngwaahịa: A na-emepụta ngwaahịa ndị nwere HEC site na usoro dịka ngwakọta, extrusion, ịkpụzi, ma ọ bụ nkedo, dabere na ngwa ahụ. Ihe atụ nke ngwaahịa ndị dị n'okpuru ala gụnyere agba, mkpuchi, nrapado, ngwaahịa nlekọta onwe onye, ​​ọgwụ, na ihe owuwu ụlọ.
3. Nkwakọ ngwaahịa na nkesa: A na-akwakọba ngwaahịa emechara n'ime akpa ma ọ bụ nkwakọ ngwaahịa buru ibu dabara maka nchekwa, njem na nkesa. Nke a nwere ike ịgụnye ịde aha, akara, na nrube isi n'usoro iwu chọrọ maka nchekwa na ozi ngwaahịa.
4. Ngwa na ojiji: Ndị ọrụ njedebe na ndị na-azụ ahịa na-eji ngwaahịa nwere HEC maka ebumnuche dị iche iche, dabere na ngwa a kapịrị ọnụ. Nke a nwere ike ịgụnye eserese, mkpuchi, nrapado, nlekọta onwe onye, ​​usoro ọgwụ, ihe owuwu, na ngwa ụlọ ọrụ ndị ọzọ.
5. Ntufu na imegharị ihe: Mgbe ejiri ya, ngwaahịa nwere HEC nwere ike ịwụfu ya site na usoro nlekọta mkpofu kwesịrị ekwesị, dabere na iwu mpaghara na echiche gburugburu ebe obibi. Nhọrọ imegharị ihe nwere ike ịdị maka ụfọdụ ihe iji nwetaghachi akụrụngwa bara uru.

Na nchịkọta, ọkwa elu nke mmepụta HEC na-agụnye mmepụta ihe onwunwe, ntinye cellulose, etherification, na ịdị ọcha, ebe ọrụ ndị dị n'okpuru ala gụnyere nhazi, nrụpụta, nkwakọ ngwaahịa, nkesa, ngwa, na mkpofu / mweghachi nke ngwaahịa nwere HEC. Ma usoro elu na nke dị n'okpuru bụ akụkụ dị mkpa nke eriri ọkọnọ na uru bara uru maka HEC.